Hard for me to understand all the negative comments. I bought a Vivoactive 4 watch over a year ago and the Dexcom Widget is working just fine for me and my Samsung S22 smartphone (android). Yes, the watch needs to be within BT range of the phone. Love this watch so much. It is super stylish (and I bought myself a replacement wristband). The Garmin connect app has so much great and USEFUL data that syncs with this. Some of the features I love: - Garmin pay (I put it as the shortcut option and use it constantly) - Customisable watch face - Get up and move reminders Made for Daily Wear. From interchangeable bands to durable Corning® Gorilla® Glass 3, this smartwatch was made to be worn 24/7. Keep it on when you hit the water, since it is water-rated to 5 ATM. The always-on, sunlight-readable Garmin Chroma Display technology makes it easy to see in any lighting. Garmin Vivoactive 3; Garmin Vivoactive 4; Night Gleam. You'll need to pay $0.99 to unlock those additional data fields if you want to complete the look of that Nike-like watch face on your Garmin. Switching gears, there’s the contactless payments bits. This uses NFC, and more specifically, Garmin Pay, which is Garmin’s payment platform. It’s like Apple Pay, minus the fruit. For this, you’ll need your bank to be supported by Garmin. That’s many of the big banks in the US, but beyond that it varies quite a bit. It’s hit or miss. The Vivoactive 4 lacks both, which is understandable given that its main selling point is its fitness-focused capabilities rather than its smart features. On both, contactless payments are available. Fitbit Pay for the Sense and Garmin Pay for the Vivoactive 4, respectively. You need to go through "my devices", select your device, and there is Garmin Pay option…. ianmiles over 4 years ago +3 suggested. I have an android phone, so iPhone GCM app may be different for me on android. click device icon at top of "My Day" screen. select VA4 from list of devices. Premium perks plus AMOLED. All of the amazing perks found on the Vivoactive 4 are also available on the Venu. You'll enjoy the same tracking and features, including built-in GPS, Garmin Pay, and The Garmin Vivoactive 4 comes with more than 20 preloaded sports apps, including running, cycling, swimming, yoga, and more. activity/sleep tracking, Garmin Pay, smartphone notifications, and First, select the card type, then manually enter your card data. You'll also have to enter a security code that you'll be sent. You will also need a passcode on your watch to secure it - this is a 1O34T.